C# Database study of small operations, the completion of some interface, complet...

希尔伯特变换的c程序完整代码，可以实现相应功能(Hilbert transform of the c program code integrity, you can realize the corresponding function)

自己按照下载的信号发生器源程序编写调试，调试成功(Signal generator in accordance with their own source code download write debugging, debugging success)

计算机三级考试——网络技术的必考书目，考生必看！(Three dedicated computer network technology exam books)

NXP LPC1788 移植emWin516 图形界面工程样例，7寸LCD外扩 RAM和Flash。(NXP LPC1788 transplant emWin516 graphical interface engineering sample, 7-inch LCD external expansion RAM and Flash.)

克里金插值及DEM等高线生成，有兴趣的朋友可以下载做个参考(Kriging and DEM contour generation, interested friends can be a reference to download)

监测其它运行程序的小程序,内有详细说明,可以随意控制其它任一程序()

ATL写的基于DirectX的游戏引擎, ATL写的基于DirectX的游戏引擎(ATL was based on the DirectX game engine ATL was based on the DirectX game engine, ATL was based on the game engine DirectX)

一个汽车仪表盘的例子，项目验收所用，基于miniGUI 3.0.12，make后可直接运行；制作时由于刷新率的问题，将仪表盘指针分为PNG图像版和直线绘制版，仅供参考。(An example of a car dashboard is based on miniGUI 3.0.12, which is divided into dashboard pointer, including PNG image version and straight line version, for reference only.)

DataGridViewRowStyle  核心用法 截图： 核心代码：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;namespace TestDataGridViewRowStyle{ public partial class Form1 : Form { //定义两种行样式 private DataGridViewCellStyle m_RowStyleNormal; private DataGridViewCellStyle m_RowStyleAlternate; //成绩单DataTable private DataTable m_GradeTable; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { this.dgvGrade.AutoGenerateColumns = false; this.SetRowStyle(); this.BindData(); } /// /// 设置行样式 /// private void SetRowStyle() { //可根据需要设置更多样式属性，如字体、对齐、前景色、背景色等 this.m_RowStyleNormal = new DataGridViewCellStyle(); this.m_RowStyleNormal.BackColor = Color.LightBlue; this.m_RowStyleNormal.SelectionBackColor = Color.LightSteelBlue; this.m_RowStyleAlternate = new DataGridViewCellStyle(); this.m_RowStyleAlternate.BackColor = Color.LightGray; this.m_RowStyleAlternate.SelectionBackColor = Color.LightSlateGray; } /// /// 绑定数据 /// private void BindData() { //建立一个DataTable并填充数据，然后绑定到DataGridView控件上 m_GradeTable = new DataTable(); m_GradeTable.Columns.Add("Class", typeof(string)); m_GradeTable.Columns.Add("Name", typeof(string)); m_GradeTable.Columns.Add("Grade", typeof(int)); m_GradeTable.Rows.Add(new string[] { "Class1", "Jim", "89" }); m_GradeTable.Rows.Add(new string[] { "Class1", "Jack", "77" }); m_GradeTable.Rows.Add(new string[] { "Class1", "Bill", "91" }); m_GradeTable.Rows.Add(new string[] { "Class2", "Tom", "58" }); m_GradeTable.Rows.Add(new string[] { "Class2", "Rose", "95" }); m_GradeTable.Rows.Add(new string[] { "Class3", "Peter", "64" }); m_GradeTable.Rows.Add(new string[] { "Class3", "David", "82" }); m_GradeTable.Rows.Add(new string[] { "Class3", "Eric", "68" }); m_GradeTable.Rows.Add(new string[] { "Class3", "Lily", "79" }); this.bdsGrade.DataSource = m_GradeTable; } private void dgvDataTable_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e) { //在此对行样式进行设置 if (e.ColumnIndex == this.dgvGrade.Columns["ColumnClass"].Index)//根据班级设置行样式 { DataGridViewRow CurrentRow = this.dgvGrade.Rows[e.RowIndex]; CurrentRow.HeaderCell.Value = Convert.ToString(e.RowIndex 1);//显示行号，也可以设置成显示其他信息 //CurrentRow.HeaderCell.ToolTipText = "当前第" Convert.ToString(e.RowIndex 1) "行";//设置ToolTip信息 //以下为根据上一行内容判断所属组的效果 if (e.RowIndex == 0)//首行必须特殊处理，将其设置为常规样式 { CurrentRow.DefaultCellStyle = this.m_RowStyleNormal; } else { //判断和上一行是否属于同一个班级，如果是则设置相同样式，否则设置另一种样式 //需要定义两个DataGridViewCellStyle，用于交替显示，也可以根据需要隐藏一些和上一行重复的信息 //这里当两行是同一个班级时，将下一行的班级信息隐藏掉，选中时则显示班级信息 if (CurrentRow.Cells[e.ColumnIndex].Value != DBNull.Value && CurrentRow.Cells[e.ColumnIndex].Value != null && CurrentRow.Cells[e.ColumnIndex].Value.ToString() == this.dgvGrade.Rows[e.RowIndex - 1].Cells[e.ColumnIndex].Value.ToString()) { CurrentRow.DefaultCellStyle = this.dgvGrade.Rows[e.RowIndex - 1].DefaultCellStyle;//设置和上一行的样式相同 CurrentRow.Cells[e.ColumnIndex].Style.ForeColor = CurrentRow.DefaultCellStyle.BackColor;//用前景色隐藏信息 //如果需要选中时显示完整信息则注释该下面一行 //CurrentRow.Cells[e.ColumnIndex].Style.SelectionForeColor = CurrentRow.DefaultCellStyle.SelectionBackColor;//选中时也使前景色等于背景色，将文字隐藏掉 } else//当前行和上一行不属于同一个班级时 { if (this.dgvGrade.Rows[e.RowIndex - 1].DefaultCellStyle == this.m_RowStyleNormal)//根据上一行的样式设置当前行的样式 CurrentRow.DefaultCellStyle = this.m_RowStyleAlternate; else CurrentRow.DefaultCellStyle = this.m_RowStyleNormal; } }//if(e.RowIndex == 0) } else if (e.ColumnIndex == this.dgvGrade.Columns["ColumnGrade"].Index)//根据成绩设置单元格样式 { if (this.dgvGrade.Rows[e.RowIndex].Cells[e.ColumnIndex].Value != DBNull.Value && Convert.ToInt32(this.dgvGrade.Rows[e.RowIndex].Cells[e.ColumnIndex].Value) < 60)//对不及格的成绩设置特殊样式 { this.dgvGrade.Rows[e.RowIndex].Cells[e.ColumnIndex].Style.ForeColor = Color.Red;//设置小于60的数字显示为红色 this.dgvGrade.Rows[e.RowIndex].Cells[e.ColumnIndex].Style.SelectionForeColor = Color.Red; this.dgvGrade.Rows[e.RowIndex].Cells[e.ColumnIndex].Style.Alignment = DataGridViewContentAlignment.MiddleRight; } } } //根据内容设置行标头 private void dgvDataTable_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) { if (this.dgvGrade.Rows[e.RowIndex].Cells["ColumnGrade"].Value == DBNull.Value) return; int intGrade = Convert.ToInt32(this.dgvGrade.Rows[e.RowIndex].Cells["ColumnGrade"].Value);//获取成绩 Image RowIcon;//标头图标 string strToolTip;//提示信息 if (intGrade >= 90) { RowIcon = TestDataGridViewRowStyle.Properties.Resources.GradeA;//从资源文件中获取图片 strToolTip = "Grade A"; } else if (intGrade >= 80) { RowIcon = TestDataGridViewRowStyle.Properties.Resources.GradeB; strToolTip = "Grade B"; } else if (intGrade >= 70) { RowIcon = TestDataGridViewRowStyle.Properties.Resources.GradeC; strToolTip = "Grade C"; } else if (intGrade >= 60) { RowIcon = TestDataGridViewRowStyle.Properties.Resources.GradeD; strToolTip = "Grade D"; } else { RowIcon = TestDataGridViewRowStyle.Properties.Resources.GradeF; strToolTip = "Grade F"; } e.Graphics.DrawImage(RowIcon, e.RowBounds.Left this.dgvGrade.RowHeadersWidth - 20, e.RowBounds.Top 4, 16, 16);//绘制图标 this.dgvGrade.Rows[e.RowIndex].HeaderCell.ToolTipText = strToolTip;//设置提示信息 } private void dgvGrade_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) { if (e.RowIndex >=0 && e.ColumnIndex == 2) { if (this.dgvGrade.Rows[e.RowIndex].Cells["ColumnGrade"].Value == DBNull.Value) return; int intGrade = Convert.ToInt32(this.dgvGrade.Rows[e.RowIndex].Cells["ColumnGrade"].Value); Image img; if (intGrade >= 90) { img = TestDataGridViewRowStyle.Properties.Resources.high; } else if (intGrade >= 80) { img = TestDataGridViewRowStyle.Properties.Resources.arrow; } else if (intGrade >= 70) { img = TestDataGridViewRowStyle.Properties.Resources.up; } else if (intGrade >= 60) { img = TestDataGridViewRowStyle.Properties.Resources.down; } else { img = TestDataGridViewRowStyle.Properties.Resources.low; } Rectangle newRect = new Rectangle(e.CellBounds.X 3, e.CellBounds.Y 5, e.CellBounds.Height - 15, e.CellBounds.Height - 12); using (Brush gridBrush = new SolidBrush(this.dgvGrade.GridColor), backColorBrush = new SolidBrush(e.CellStyle.BackColor)) { using (Pen gridLinePen = new Pen(gridBrush, 2)) { // Erase the cell. e.Graphics.FillRectangle(backColorBrush, e.CellBounds); //划线 Point p1 = new Point(e.CellBounds.Left e.CellBounds.Width, e.CellBounds.Top); Point p2 = new Point(e.CellBounds.Left e.CellBounds.Width, e.CellBounds.Top e.CellBounds.Height); Point p3 = new Point(e.CellBounds.Left, e.CellBounds.Top e.CellBounds.Height); Point[] ps = new Point[] { p1, p2, p3 }; e.Graphics.DrawLines(gridLinePen, ps); //画图标 e.Graphics.DrawImage(img, newRect); //画字符串 e.Graphics.DrawString(intGrade.ToString(), e.CellStyle.Font, Brushes.Crimson, e.CellBounds.Left 20, e.CellBounds.Top 5, StringFormat.GenericDefault); e.Handled = true; } } } } }}

显示日期时间的代码，可单行显示农历时间日期的代码(Show date and time of the code can be a single line of code displays the time and date lunar)